Unique army buckles are painted inside of a crimson/brown paint and so are made from round inventory, the buckles on your specimen are stamped & painted black & Moreover the weave pattern about the strapping appears to be similar to U.S. created webbing and isn't usual wartime Japanese webbing. https://lorenzobktyk.ampblogs.com/detailed-notes-on-orange-ruched-peplum-hem-blouse-with-puff-sleeves-65188754